9708b2203c9eef8ff9398392810beba96db4354eb0d5c1a55d9838124ec9ea14

General

Target

No.Starch.Practical.Packet.Analysis.3rd.Edition.2017.pdf
Size

24.1MB
MD5

9573dfb54ca71b9f460f5d37b1b4e8c6
SHA1

471c962645ee79054bd727a95c8a7c40c3132ae4
SHA256

9708b2203c9eef8ff9398392810beba96db4354eb0d5c1a55d9838124ec9ea14
SHA512

335cb8a90a27f8ca1dc7592431a1dcad5e703a501885e8bd470cf9d26229972bd837f17f0ce7e302b0579153e54689aa2bb9f256cb74bce32594922fa89c4010

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

AcroRd32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

AcroRd32.exe

pid process

1832 AcroRd32.exe
1832 AcroRd32.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

1832 AcroRd32.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

AcroRd32.exe

pid process

1832 AcroRd32.exe
1832 AcroRd32.exe
1832 AcroRd32.exe
1832 AcroRd32.exe

pid	process
1832	AcroRd32.exe
1832	AcroRd32.exe

pid	process
1832	AcroRd32.exe

pid	process
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe
1832	AcroRd32.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

AcroRd32.exe

description	pid	process	target process
PID 1832 wrote to memory of 1944	1832	AcroRd32.exe	RdrCEF.exe
PID 1832 wrote to memory of 1944	1832	AcroRd32.exe	RdrCEF.exe
PID 1832 wrote to memory of 1944	1832	AcroRd32.exe	RdrCEF.exe
PID 1832 wrote to memory of 4828	1832	AcroRd32.exe	RdrCEF.exe
PID 1832 wrote to memory of 4828	1832	AcroRd32.exe	RdrCEF.exe
PID 1832 wrote to memory of 4828	1832	AcroRd32.exe	RdrCEF.exe
PID 1832 wrote to memory of 3716	1832	AcroRd32.exe	RdrCEF.exe
PID 1832 wrote to memory of 3716	1832	AcroRd32.exe	RdrCEF.exe
PID 1832 wrote to memory of 3716	1832	AcroRd32.exe	RdrCEF.exe
PID 1832 wrote to memory of 2404	1832	AcroRd32.exe	RdrCEF.exe
PID 1832 wrote to memory of 2404	1832	AcroRd32.exe	RdrCEF.exe
PID 1832 wrote to memory of 2404	1832	AcroRd32.exe	RdrCEF.exe

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\No.Starch.Practical.Packet.Analysis.3rd.Edition.2017.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1832

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
2⤵
PID:1944

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
2⤵
PID:4828

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
2⤵
PID:3716

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
2⤵
PID:2404

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1944-130-0x0000000000000000-mapping.dmp

Download
memory/2404-133-0x0000000000000000-mapping.dmp

Download
memory/3716-132-0x0000000000000000-mapping.dmp

Download
memory/4828-131-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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